S-92012A308 1/4"-20 Shoulder Screws
Shoulder Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional strength and durability with 140,000 psi tensile strength and Rockwell C32 hardness for reliable performance in high-stress applications.
- Superior corrosion resistance provided by the black oxide finish, extending service life in harsh industrial environments.
- Precise alignment and reduced wear due to the exact 3/8" shoulder diameter with tight tolerances, ensuring stable component positioning.
- Easy installation and removal with the 5/32" hex socket drive, allowing for efficient assembly in confined spaces.
- Secure and reliable fastening from the Class 2A thread fit and 1/4"-20 UNC coarse threading, minimizing loosening under vibration.
- Compliance with environmental and safety standards including RoHS 3 and REACH, ensuring safe use in regulated industries.
- Versatile right-hand thread design for standard applications, facilitating quick integration into various mechanical assemblies.
Professional Applications & Engineering Value
This precision shoulder screw is engineered from alloy steel to address critical industrial challenges, such as misalignment and component wear in machinery. The 3/8" shoulder diameter with precise tolerances ensures accurate positioning in assemblies like pivots, gears, and linkages, reducing maintenance needs. Combined with the black oxide finish, it offers enhanced corrosion resistance for environments exposed to moisture or chemicals. The 1/4"-20 UNC coarse thread and Class 2A fit provide reliable fastening in high-vibration settings, while the hex socket head allows for easy torque application in tight spaces. Ideal for automotive, aerospace, and manufacturing sectors, this screw delivers long-term reliability and efficiency in demanding applications.
Specification Summary & Compliance
This shoulder screw features a 1/4"-20 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy, and a shoulder diameter of 3/8" with tolerances from -0.001" to 0". Manufactured to high standards, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industrial suitability.
